The abacus predates the alphabet and the invention of glass, but its use can help modern day students increase their math proficiency and understanding. Ulrich Boser, the author of Learn Better, ...

Learning to use an abacus qualifies as a Big Pointless Goal, something that Gloria Liu describes in her recent article in the Atlantic as “an aspiration that lacks grand purpose, yet requires ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Robert Kelly is managing director of XTS ...

HAEBARU TOWN, Okinawa — A 6-year-old Japanese girl stood with her back to Defense Department students gathered Thursday to learn about the Japanese abacus, or soroban, at the Tsukazan Community Center ...